/* ConsultBooks — shared stylesheet
   Theme tokens lifted from the original site for an exact match. */
:root{
  --indigo:    #5B4FF5;
  --indigo-d:  #4840D4;
  --indigo-l:  #7B72F8;
  --indigo-xl: #EEF0FE;
  --indigo-bg: rgba(91,79,245,.07);
  --indigo-bg2:rgba(91,79,245,.04);
  --emerald:   #10B981;
  --emerald-l: #D1FAE5;
  --emerald-d: #047857;
  --amber-l:   #FEF3C7;
  --amber:     #F59E0B;
  --amber-d:   #92400E;
  --blue-l:    #DBEAFE;
  --blue:      #3B82F6;
  --red-l:     #FEE2E2;
  --red:       #EF4444;
  --slate-900: #0F172A;
  --slate-700: #334155;
  --slate-500: #64748B;
  --slate-400: #94A3B8;
  --slate-300: #CBD5E1;
  --slate-200: #E2E8F0;
  --slate-100: #F1F5F9;
  --slate-50:  #F8FAFC;
  --white:     #FFFFFF;
  --sans:  'Plus Jakarta Sans',system-ui,sans-serif;
  --serif: 'Lora',Georgia,serif;
  --mono:  'JetBrains Mono',monospace;
  --shadow-sm: 0 1px 3px rgba(15,23,42,.06),0 1px 2px rgba(15,23,42,.04);
  --shadow:    0 4px 16px rgba(15,23,42,.08),0 2px 6px rgba(15,23,42,.04);
  --shadow-lg: 0 16px 48px rgba(15,23,42,.1),0 4px 16px rgba(15,23,42,.06);
  --shadow-xl: 0 32px 80px rgba(15,23,42,.14),0 8px 24px rgba(15,23,42,.06);
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1120px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  color:var(--slate-700);
  background:var(--white);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
h1,h2,h3,h4{color:var(--slate-900);line-height:1.15;letter-spacing:-.02em;font-weight:800}
em{font-style:italic;color:var(--indigo)}
.serif{font-family:var(--serif);font-weight:600}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.center{text-align:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--sans);font-weight:700;font-size:15px;
  padding:13px 22px;border-radius:12px;cursor:pointer;border:1px solid transparent;
  transition:transform .15s ease,box-shadow .2s ease,background .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--indigo);color:#fff;box-shadow:0 6px 18px rgba(91,79,245,.28)}
.btn-primary:hover{background:var(--indigo-d);transform:translateY(-1px);box-shadow:0 10px 26px rgba(91,79,245,.34)}
.btn-ghost{background:#fff;color:var(--slate-900);border-color:var(--slate-200)}
.btn-ghost:hover{border-color:var(--slate-300);background:var(--slate-50)}
.btn-lg{padding:16px 28px;font-size:16px}

/* ---------- Header ---------- */
.nav{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--slate-100);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--slate-900);letter-spacing:-.02em}
.brand .brand-mark{width:34px;height:34px}
.brand b{color:var(--indigo);font-weight:800}
.nav-links{display:flex;align-items:center;gap:30px;font-size:15px;font-weight:600;color:var(--slate-500)}
.nav-links a:hover{color:var(--slate-900)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none}
@media(max-width:860px){
  .nav-links{display:none}
  .nav-cta .btn-ghost{display:none}
}

/* ---------- Eyebrow / pills ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--indigo-d);background:var(--indigo-xl);padding:7px 14px;border-radius:999px;
  letter-spacing:.01em;
}
.section-tag{font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--indigo);margin-bottom:14px}

/* ---------- Hero ---------- */
.hero{padding:84px 0 64px;background:
  radial-gradient(900px 420px at 78% -8%,var(--indigo-bg),transparent 60%),
  radial-gradient(700px 360px at 8% 4%,var(--indigo-bg2),transparent 60%);}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(38px,5.4vw,62px);margin:20px 0 18px}
.hero .lede{font-size:19px;color:var(--slate-500);max-width:540px;margin-bottom:30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-bottom:26px}
.hero-points{display:flex;gap:22px;flex-wrap:wrap;font-size:14px;font-weight:600;color:var(--slate-500)}
.hero-points span{display:inline-flex;align-items:center;gap:7px}
.tick{color:var(--emerald);font-weight:800}
@media(max-width:920px){.hero-grid{grid-template-columns:1fr;gap:40px}.hero{padding:56px 0 40px}}

/* ---------- Product mock card ---------- */
.mock{
  background:#fff;border:1px solid var(--slate-200);border-radius:18px;box-shadow:var(--shadow-xl);
  overflow:hidden;
}
.mock-bar{display:flex;align-items:center;gap:7px;padding:13px 16px;border-bottom:1px solid var(--slate-100);background:var(--slate-50)}
.dot{width:11px;height:11px;border-radius:50%}
.mock-url{margin-left:10px;font-family:var(--mono);font-size:12px;color:var(--slate-400)}
.mock-body{padding:20px}
.mock-row{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-bottom:1px solid var(--slate-100);font-size:14px}
.mock-row:last-child{border-bottom:none}
.kpi-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:8px}
.kpi{background:var(--slate-50);border:1px solid var(--slate-100);border-radius:12px;padding:14px}
.kpi .l{font-size:12px;color:var(--slate-500);font-weight:600}
.kpi .v{font-size:22px;font-weight:800;color:var(--slate-900);margin-top:2px}
.badge{font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}
.badge.green{background:var(--emerald-l);color:var(--emerald-d)}
.badge.amber{background:var(--amber-l);color:var(--amber-d)}
.badge.blue{background:var(--blue-l);color:#1D4ED8}

/* ---------- Sections ---------- */
section{padding:78px 0}
.section-head{max-width:680px;margin:0 auto 52px;text-align:center}
.section-head h2{font-size:clamp(28px,3.6vw,42px)}
.section-head p{color:var(--slate-500);font-size:18px;margin-top:14px}
.alt{background:var(--slate-50);border-top:1px solid var(--slate-100);border-bottom:1px solid var(--slate-100)}

/* ---------- Stat band ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat .num{font-size:clamp(34px,4vw,48px);font-weight:800;color:var(--indigo);letter-spacing:-.03em}
.stat .lab{font-size:14px;color:var(--slate-500);font-weight:600;margin-top:6px}
@media(max-width:760px){.stats{grid-template-columns:repeat(2,1fr);gap:30px}}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{background:#fff;border:1px solid var(--slate-200);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm)}
.step .n{font-family:var(--serif);font-size:30px;color:var(--indigo);font-weight:700}
.step h3{font-size:18px;margin:10px 0 8px}
.step p{font-size:14.5px;color:var(--slate-500)}
.step .time{display:inline-block;margin-top:14px;font-size:12px;font-weight:700;color:var(--indigo-d);background:var(--indigo-xl);padding:4px 11px;border-radius:999px}
@media(max-width:960px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}

/* ---------- Feature cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--slate-200);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:22px;background:var(--indigo-xl);margin-bottom:16px}
.card h3{font-size:18px;margin-bottom:9px}
.card p{font-size:14.5px;color:var(--slate-500)}
.card ul{margin-top:14px;list-style:none;display:flex;flex-direction:column;gap:8px}
.card li{font-size:14px;color:var(--slate-700);padding-left:24px;position:relative}
.card li::before{content:"✓";position:absolute;left:0;color:var(--emerald);font-weight:800}
@media(max-width:960px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.cards{grid-template-columns:1fr}}

/* ---------- Chat / MCP demo ---------- */
.chat{display:flex;flex-direction:column;gap:14px}
.chat-q,.chat-a{border-radius:14px;padding:14px 16px;font-size:14.5px;max-width:92%}
.chat-q{background:var(--indigo);color:#fff;align-self:flex-end;font-weight:600}
.chat-a{background:#fff;border:1px solid var(--slate-200);box-shadow:var(--shadow-sm);align-self:flex-start}
.chat-a .ok{color:var(--emerald-d);font-weight:700}
.code{font-family:var(--mono);font-size:13px;background:var(--slate-900);color:#E2E8F0;border-radius:12px;padding:16px 18px;overflow:auto}
.code .c{color:var(--slate-400)}
.code .u{color:var(--indigo-l)}

/* two-column ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media(max-width:880px){.split{grid-template-columns:1fr;gap:32px}}

/* ---------- Pricing ---------- */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--slate-200);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}
.plan.pop{border-color:var(--indigo);box-shadow:var(--shadow-lg);position:relative}
.plan.pop::before{content:"Most popular";position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--indigo);color:#fff;font-size:12px;font-weight:700;padding:5px 13px;border-radius:999px}
.plan h3{font-size:17px}
.plan .price{font-size:32px;font-weight:800;color:var(--slate-900);margin:8px 0 2px}
.plan .price small{font-size:15px;font-weight:600;color:var(--slate-500)}
.plan .sub{font-size:13px;color:var(--slate-500);margin-bottom:16px}
.plan ul{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:22px;flex:1}
.plan li{font-size:14px;padding-left:24px;position:relative}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--emerald);font-weight:800}
@media(max-width:980px){.plans{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.plans{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq{max-width:780px;margin:0 auto}
.faq details{border:1px solid var(--slate-200);border-radius:12px;padding:4px 20px;margin-bottom:12px;background:#fff}
.faq summary{list-style:none;cursor:pointer;font-weight:700;color:var(--slate-900);padding:16px 0;display:flex;justify-content:space-between;align-items:center;font-size:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--indigo);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 18px;color:var(--slate-500);font-size:15px}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(135deg,var(--indigo) 0%,var(--indigo-d) 100%);border-radius:24px;padding:56px 40px;text-align:center;color:#fff;box-shadow:var(--shadow-lg)}
.cta-band h2{color:#fff;font-size:clamp(26px,3.4vw,38px)}
.cta-band p{color:rgba(255,255,255,.85);font-size:18px;margin:14px 0 28px}
.cta-band .btn-primary{background:#fff;color:var(--indigo-d);box-shadow:0 8px 22px rgba(0,0,0,.2)}
.cta-band .btn-primary:hover{background:#f4f3ff}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.cta-band .fine{margin-top:20px;font-size:13px;color:rgba(255,255,255,.7)}

/* ---------- Footer ---------- */
footer{background:var(--slate-900);color:var(--slate-300);padding:56px 0 36px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
footer .brand{color:#fff}
footer .brand b{color:var(--indigo-l)}
.foot-col h4{color:#fff;font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px;font-weight:700}
.foot-col a{display:block;font-size:14.5px;color:var(--slate-400);padding:6px 0}
.foot-col a:hover{color:#fff}
.foot-blurb{font-size:14px;color:var(--slate-400);margin-top:14px;max-width:280px}
.foot-bot{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13.5px;color:var(--slate-500)}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr;gap:28px}}

/* ---------- Legal pages ---------- */
.legal{padding:56px 0 72px}
.legal .doc{max-width:820px;margin:0 auto}
.legal h1{font-size:clamp(30px,4vw,42px);margin-bottom:8px}
.legal .updated{color:var(--slate-500);font-size:14px;margin-bottom:14px}
.legal .notice{background:var(--amber-l);border:1px solid #FCD34D;color:var(--amber-d);border-radius:12px;padding:14px 18px;font-size:14px;margin-bottom:36px}
.legal h2{font-size:22px;margin:36px 0 12px;scroll-margin-top:90px}
.legal h3{font-size:17px;margin:22px 0 8px}
.legal p,.legal li{font-size:15.5px;color:var(--slate-700);margin-bottom:12px}
.legal ul,.legal ol{margin:0 0 12px 22px}
.legal li{margin-bottom:8px}
.legal a{color:var(--indigo);font-weight:600}
.legal a:hover{text-decoration:underline}
.toc{background:var(--slate-50);border:1px solid var(--slate-200);border-radius:14px;padding:22px 26px;margin-bottom:40px}
.toc h4{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--slate-500);margin-bottom:12px}
.toc ol{margin-left:18px}
.toc li{margin-bottom:6px;font-size:14.5px}
.toc a{color:var(--indigo);font-weight:600}

.skip{position:absolute;left:-999px}

/* Footer social link */
.foot-social{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:14px;font-weight:600;color:var(--slate-400)}
.foot-social:hover{color:#fff}
.foot-social svg{flex:none}
.foot-bot a.li{display:inline-flex;align-items:center;gap:6px}